The entire backup will fail.It will not be usable for recovery.
The entire backup will failbut any datafile successfully backed up will be usable for recovery.
If this backup fails,subsequent backups will prioritize datafiles not backed up.
If this backup fails,an error will be raised and any other commands will not be executed.
If this backup fails,no error will be raised and any other commands will be executed.
第1题:
You executed the following command to perform a backup of the USERS tablespace: SQL> ALTER TABLESPACE users BEGIN BACKUP; ALTER TABLESPACE users BEGIN BACKUP * ERROR at line 1: ORA-01123: cannot start online backup; media recovery not enabled What could be the reason for this error()
第2题:
A customer with a small IT budget has one data center. Their main application is a database running on an IBM System Storage DS8000. The database has a data change rate of 50% per day. Once a week, they must do a point-in-time backup from the database to tape. The time it takes to run the backup now exceeds the backup window allowed. The customer requests a proposal to reduce database downtime caused by running backups, with nearly no impact to production volumes. In addition to the tape backup, which DS8000 feature should a technical specialist propose()
第3题:
A. 4
B. 8
C. 7
D. 0
第4题:
The size of the largest datafile, data1.dbf, in your database is 30MB. You issued the following command: RMAN>CONFIGURE MAXSETSIZE 10MB; What will be the impact of the above setting?()
第5题:
You defined the Recovery Manager (RMAN) retention policy to recovery window of 7 days by executing the following command: RMAN> CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS; When a backup is performed, what would be the status of this backup after seven days?()
第6题:
You performed the RMAN database backup having a backupset key number 231 with the KEEP FOREVER option. After some days, you want to change the status of the database backup and you issued the following command: RMAN>CHANGE BACKUPSET 231 NOKEEP; What is the implication of this command?()
第7题:
A customer has a large amount of data stored on three database servers and is concerned that at present there is no disaster recovery plan in place. They have an existing tape backup solution that meets their backup window. In order to analyze potential disaster recovery plans, which of the following questions is the most important?()
第8题:
In Recovery Manager (RMAN), you set the retention policy to NONE by executing the following command: CONFIGURE RETENTION POLICY TO NONE; What would be the impact of this setting?()
第9题:
You issued the following statement: SQL> ALTER DATABASE BACKUP CONTROLFILE TO TRACE; What will be the result of issuing the statement?()
第10题:
You issued the following RMAN command: RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON; What is NOT an impact of using the above command?()